const config = require('../configs/mysql').database;
const mysql = require('mysql');
const pool = mysql.createPool(config);
const query = function (sql, succCb, errCb) {
    pool.getConnection(function (err, conn) {
        if (err) {
            let data = {
                code: 500,
                message: "请求失败",
                data: err
            };
            errCb(data);
        } else {
            conn.query(sql, function (err, result) {
                if (err) {
                    let data = {
                        code: 500,
                        message: "请求失败",
                        data: err
                    };
                    errCb(data);
                } else {
                    succCb(result);
                    conn.release();
                }
            })
        }
    })
};
module.exports = query;

